[geos-commits] r2526 - branches/3.0/source/geomgraph

[svn_geos at osgeo.org]

Author: pramsey
Date: 2009-05-27 14:51:02 -0400 (Wed, 27 May 2009)
New Revision: 2526

Modified:
   branches/3.0/source/geomgraph/GeometryGraph.cpp
Log:
Backport r2489 from trunk.


Modified: branches/3.0/source/geomgraph/GeometryGraph.cpp
===================================================================
--- branches/3.0/source/geomgraph/GeometryGraph.cpp	2009-05-27 18:49:17 UTC (rev 2525)
+++ branches/3.0/source/geomgraph/GeometryGraph.cpp	2009-05-27 18:51:02 UTC (rev 2526)
@@ -226,8 +226,12 @@
 GeometryGraph::addPolygonRing(const LinearRing *lr, int cwLeft, int cwRight)
 	// throw IllegalArgumentException (see below)
 {
-	const CoordinateSequence *lrcl;
-	lrcl = lr->getCoordinatesRO();
+
+	// skip empty component (see bug #234) 
+	if ( lr->isEmpty() ) return; 
+
+	const CoordinateSequence *lrcl = lr->getCoordinatesRO();
+
 	CoordinateSequence* coord=CoordinateSequence::removeRepeatedPoints(lrcl);
 	if (coord->getSize()<4) {
 		hasTooFewPointsVar=true;